Home / 99,436.86-149,133.35-29,299.77

Finding the Fourth Proportional to 99,436.86, 149,133.35 and 29,299.77

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Solution

The fourth proportional to 99,436.86, 149,133.35 and 29,299.77 is: 43,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,436.86 : 149,133.35 = 29,299.77 : x
  2. Step 2: Convert to fraction form
    99,436.86/149,133.35 = 29,299.77/x
  3. Step 3: Cross multiply
    99,436.86x = 149,133.35 × 29,299.77
  4. Step 4: Simplify right side
    99,436.86x = 4,369,572,927.58
  5. Step 5: Solve for x
    x = 4,369,572,927.58/99,436.86
  6. Step 6: Final answer
    x = 43,943.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.